Pith Number

pith:CLRFOGDL

pith:2011:CLRFOGDL4SLIJSPQRAZHL2GIJK

not attested not anchored not stored refs pending

Mixed-Variable Requirements Roadmaps and their Role in the Requirements Engineering of Adaptive Systems

Alexander Borgida, Ivan Jureta, Neil A. Ernst

arxiv:1102.4178 v1 · 2011-02-21 · cs.SE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CLRFOGDL4SLIJSPQRAZHL2GIJK}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:22:31.402601Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12e257186be49684c9f0883275e8c84aa2dd3eaccd87f115ff0ca29a06141961

Aliases

arxiv: 1102.4178 · arxiv_version: 1102.4178v1 · doi: 10.48550/arxiv.1102.4178 · pith_short_12: CLRFOGDL4SLI · pith_short_16: CLRFOGDL4SLIJSPQ · pith_short_8: CLRFOGDL

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/CLRFOGDL4SLIJSPQRAZHL2GIJK \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 12e257186be49684c9f0883275e8c84aa2dd3eaccd87f115ff0ca29a06141961

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a671f2a06cd1caa0582951ae2bf94032e3da1192b7c06d8d2a496013624c875a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2011-02-21T10:14:56Z",
    "title_canon_sha256": "e41235bc8bd438eaa2cd432608cc267789a28df6a47fddadb601a63888005d7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.4178",
    "kind": "arxiv",
    "version": 1
  }
}